1680D Ballistic - Is a standard, even weave of durable nylon material originally specified by the Federal Government for military use. The term "denier" (D) refers to the size of the yarn used: the larger the denier, the bigger the yarn.

1680D Ballistic - Is a standard, even weave of durable nylon material originally specified by the Federal Government for military use. The term "denier" (D) refers to the size of the yarn used: the larger the denier, the bigger the yarn.